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  1. DavidSpark

    Help needed. Garage wiring

    I have always been told highest to lowest, but that does make a bit of sense. Every day is a school day!
  2. DavidSpark

    Help needed. Garage wiring

    If this is the standard of work you are happy to show off then I dread to think what the rest of it looks like. Just some brief points, as you wanted to learn the "art". There are gaps which allow access to live parts The ordering of protective devices is wrong, it should go from highest to...
  3. DavidSpark

    Emergency lighting test switch key

    The key fits into a shaped hole inside the switch, its purpose is to stop the general public or anyone from being able to switch it on and off at will. So there should be no risk of electric shock, but as they say "always use the correct tool for the job". Five replacement keys, £2.15, free...
  4. DavidSpark

    Help needed. Garage wiring

    I am not being nasty, I do believe after giving you some friendly advice you started a personal attack against another person and I, as well as insulting and belittling us. The whole "I have an Electrician coming to test it" routine is very old on this forums. No one believes it for a second as...
  5. DavidSpark

    Running cpc with swa and not use the swa as cpc

    I think it all comes down to what the designer specifies most of the time. If my name is going to go onto something then I'd like to know that it's going to be rock solid. Peace of mind is something you can't put a price on, if god forbid something went wrong and they eyes and fingers come...
  6. DavidSpark

    Running cpc with swa and not use the swa as cpc

    One reason could be that the SWA is susceptible to rust and corrosion and over the life time of the installation the integrity of the earth could become compromised. Another reason could be that the SWA is not sufficient in terms of equivalent CSA size to carry the fault currents or meet...
  7. DavidSpark

    Help needed. Garage wiring

    Good to hear, you work fast for someone who was apparently working today while making 50k. I'd love to see some pictures of your install that you done, we can give some feedback on what has been done to aid you in your learning of course.
  8. DavidSpark

    Help needed. Garage wiring

    I was trying not to cause disrespect. The situation you have described isn't a hard one to solve. Going by what the definition for "forum" is, it is my view that you do not have the required knowledge nor competence to complete this task to comply with all the relevant regulations. Please...
  9. DavidSpark

    Help needed. Garage wiring

    Hopefully I don't cause disrespect to you in any, however I believe what some have tried to say is that although you may just be replacing what is already there, what was already there might not have had any thought behind it. Good design requires background information and knowledge of the...
  10. DavidSpark

    Lighting Calculation Help

    People will be far more likely to help if you show people you are will to learn and not just wanting the answer. What are your thoughts on the question? How do you think this would be answered?
  11. DavidSpark

    any of you lot in the 170th royal engineers reserves?

    If that is the case then there will be a bit more to it than just turning up, best contact them and they'll give you all the info you need to get on your way! Best of luck with it!
  12. DavidSpark

    any of you lot in the 170th royal engineers reserves?

    From what I hear (having looked into it) they are very friendly and active in terms of actually getting away and doing stuff. However you must have what they are looking for obviously (not hard considering current shortages). As a national reserve unit you only need to do the minimum commitment...
  13. DavidSpark

    Need help wiring new wifi switch

    If you can post a picture of your existing switch set up and the new switch when possible, people will be able to advise further.
  14. DavidSpark

    3 Phase Insulation Resistance Test on motor & TP & N skt help

    If those are indeed the steps you carried out then you missed the N-E IR test. There should be 10 total tests when doing IR on a three phase circuit. The exact same as proving dead coincidentally. It's easy to miss the cables going to the motor under the pressure. The isolator being ON would...
  15. DavidSpark

    3 Phase Insulation Resistance Test on motor & TP & N skt help

    What assessment is it that you're doing? If people know then they can help tailor their answers if they have specific knowledge of key points that might need to be covered. Could you provide a list of the steps that you did while testing and people could give pointers on your procedure...
  16. DavidSpark

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    You stripped the cable out, or you stripped the smoke detector out?
  17. DavidSpark

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    Is this a cut back black conductor of a 3 core+E Cable?
  18. jbeef.png

    jbeef.png

    • DavidSpark
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  19. DavidSpark

    AM2 general questions

    The instal is very straight forward. You get given diagrams and information on all circuits and all you have to do is wire them up. A few glands for SWA and SY cable. Remember your fire resistant cable restraints for certain circuits, cough cough. The heating is also very straight forward you...
  20. DavidSpark

    Having trouble with voltage drop here.

    So on the surface this looks like quite a tricky question but if you break it into steps it's quite a simple process. As we know, V = IR, so to find any voltage drop we must have resistance and current. As we are given the resistance of individual parts we need to add these together in order to...

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